Ham Radio Log Formats

Information on Ham Radio Log formats

David
Reviewed by • Senior RF Engineer & Technical Editor • March 2026

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  • adifdev - ADIF Developers
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    adifdev - ADIF Developers
    This is a discussion group for developers involved with the import or export of data formatted according to the ADIF standard for Amateur Radio Software.
  • Cabrillo
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    Cabrillo
    The Cabrillo log format specifications, examples and templates.
  • EDI Log Format
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    EDI Log Format — OK2KKW
    EDI is a common electronic data file format required to submit contact logs. Very popular among contest logs formats.